Car-truck construction.



-PATENTED 001: 1907. 0. PULLIAMi UAR TRUCK CONSTRUCTION. I

APPLICATION FILED JUNE 19.1907z WITNEEEEEISZ INVENTOR STATES PATENT orrros.

firoswspn s. PULLIAM, -13 PITTSBURG, PENNSYLVANIA; ASSIGNOR TO'PITTSBURGH EQUIPMENT COMPANY; 01 PITTSBURGH PENNSYLVANIA, soonross'r os or PENNSYLVANIA.

' To'all whojn it may concern:

Be it known: that I, OswsLD S. PULLrAM, of Pittsbnrg, in' the county of Allegheny and State ofPennsylvania, have invented certain new and useful 1m 'provements in Gar-Truck Construction, of which the following is a specification.

My invention relates to improvements in 'car-truck" construction and it more particularly relates to the "spring-seats and spring-planks entering into said con struction. I

- In theaccompanying drawing, which tillustrates epplications oi-my invention Figure 1 is a perspective -view of s. form of my invention employing side-frames;

Fig. 2 a. perspective view of a spring plank; and Fig.

'3 anend view .of a form of my invention employing truck-end castings.

Referring toithe drawing and to the form of Fl'g..'1,g l designs-tea side-frames each 'formed '-with abolster receiving opening'2 and with a spring-seat or plate illnstratedand as preferred the spring seat is formed integral with the side-irame arid is providedwith spring centering lugs or projections 4, .but

if desired the said seat may be of a separate piece and suitably secured thereto. As shown each seat is formedwith a receiving-groove; 5, 'and with a laterally extending engaging-recess 6.

.The spring-plank 7 is particularly shown by Fig. 2 and is formed near each of its ends with stop-shoulders ,8'and with a downwardly projecting rounded lug 9.. The respective ends of the spring-plank are -adapted to fit into receiving-groove 5 and the lug 9 into the recess 6 of each oi the side-frames. The shoulders 8. abut against an inner bearing base, of the- Specification of Letters Patent. hpplination filed June 19 1907. SerigiI'No. 379.689.

rounded portion'of the receiving-groove 5'.

s...CAR-TRUCK CONSTRUCTION.

Patented oer. 529, 1907 swing-seat, The ends of the spring plank are' preferably rounded .as shown and are adapted to fitthe In the form of Fig. 3 I have shown myinvcntion in. connection with. a-truck-end casting and in this form have shown springs 10 and a .bolster 11 in position. For convenience (if-illustration thesprings 10 and bolster 11' are omitted from the form oi Fig. 11.

The'truck-end casting as illustrated-comprises in ad- 4 arclrbar 13, connecting-rod l i, a pair oitruck-end I columns 15; and column-bolts 16. The spring-seat in this form is madesimilar to the seat of the form of "formed with engaging means located in the groove ,of the spring sent.

In a car-truck construction, a spring-seat formed with n depression and a, lnternlly extending recess, a

spring-plank provided with an engaging-lug fitted into the recess.

3. ln s car-truck. consirnctiou n spring-seat formed with a depression adapted to receive an end of a springplzlnk and. a laterally extendimr recess, .n spring-plank provided with stopshouldcrs and an engaging-lug the latter :idnptedto fit into the recess of the spring-seat.

ln testlmony whereof I alibi my signature in presence of two witnesses.

. 'oswALn s. IULLIAM.

Witnesses l-Zmvm I. ALLEN, W. G. lh'mnl'r'rnn.

. dition to the-spring-seat 3, top arch-bar 12, bottom Fig. 1 as well as. the springplank. The-ends'of the spring-planks have a-loose -fit in their respective seats in the spring-seats and'this. provision togetherwiththe rounded contacting members will not bind the 

